[KT-43276] Add watchos_x64 target

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/objcexport/ObjCExportCodeGenerator.kt

@@ -1610,7 +1610,8 @@ private fun Context.is64BitNSInteger(): Boolean = when (val target = this.config
     KonanTarget.IOS_ARM64,
     KonanTarget.TVOS_ARM64,
     KonanTarget.TVOS_X64,
-    KonanTarget.MACOS_X64 -> true
+    KonanTarget.MACOS_X64,
+    KonanTarget.WATCHOS_X64 -> true
     KonanTarget.WATCHOS_ARM64,
     KonanTarget.WATCHOS_ARM32,
     KonanTarget.WATCHOS_X86,
@@ -1628,10 +1629,9 @@ private fun Context.is64BitNSInteger(): Boolean = when (val target = this.config
     KonanTarget.LINUX_MIPSEL32,
     KonanTarget.WASM32,
     is KonanTarget.ZEPHYR -> error("Target $target has no support for NSInteger type.")
-    KonanTarget.WATCHOS_X64 -> error("Target $target is not supported.")
 }
 
-internal fun Context.is64BitLong(): Boolean = when (val target = this.config.target) {
+internal fun Context.is64BitLong(): Boolean = when (this.config.target) {
     KonanTarget.IOS_X64,
     KonanTarget.IOS_ARM64,
     KonanTarget.TVOS_ARM64,
@@ -1641,7 +1641,8 @@ internal fun Context.is64BitLong(): Boolean = when (val target = this.config.tar
     KonanTarget.LINUX_ARM64,
     KonanTarget.MINGW_X64,
     KonanTarget.LINUX_X64,
-    KonanTarget.MACOS_X64 -> true
+    KonanTarget.MACOS_X64,
+    KonanTarget.WATCHOS_X64 -> true
     KonanTarget.WATCHOS_ARM64,
     KonanTarget.WATCHOS_ARM32,
     KonanTarget.ANDROID_X86,
@@ -1654,5 +1655,4 @@ internal fun Context.is64BitLong(): Boolean = when (val target = this.config.tar
     KonanTarget.WASM32,
     is KonanTarget.ZEPHYR,
     KonanTarget.IOS_ARM32 -> false
-    KonanTarget.WATCHOS_X64 -> error("Target $target is not supported.")
 }

kotlin-native/build-tools/src/main/kotlin/org/jetbrains/kotlin/ExecutorService.kt

@@ -246,7 +246,7 @@ private fun simulator(project: Project): ExecutorService = object : ExecutorServ
     private val device = project.findProperty("iosDevice")?.toString() ?: when (target) {
         KonanTarget.TVOS_X64 -> "Apple TV 4K"
         KonanTarget.IOS_X64 -> "iPhone 8"
-        KonanTarget.WATCHOS_X64,
+        KonanTarget.WATCHOS_X64 -> "Apple Watch Series 6 - 40mm"
         KonanTarget.WATCHOS_X86 -> "Apple Watch Series 4 - 40mm"
         else -> error("Unexpected simulation target: $target")
     }

kotlin-native/build.gradle

@@ -139,7 +139,7 @@ allprojects {
 
 void setupHostAndTarget() {
     ext.hostName = platformManager.hostName
-    ext.targetList = platformManager.filteredOutEnabledButNotSupported.collect { it.visibleName } as List
+    ext.targetList = platformManager.enabled.collect { it.visibleName } as List
     ext.konanTargetList = platformManager.enabled as List
 }
 

kotlin-native/dependencies/build.gradle

@@ -78,7 +78,7 @@ enum DependencyKind {
 def platformManager = rootProject.ext.platformManager
 
 
-platformManager.filteredOutEnabledButNotSupported.each { target ->
+platformManager.enabled.each { target ->
     def loader = platformManager.loader(target)
 
     task "${target}Dependencies"(type: NativeDep) {

kotlin-native/konan/konan.properties

@@ -337,6 +337,33 @@ osVersionMin.watchos_x86 = 5.0
 runtimeDefinitions.watchos_x86 = KONAN_OBJC_INTEROP=1 KONAN_WATCHOS=1 KONAN_NO_64BIT_ATOMIC=1 \
   KONAN_X86=1 KONAN_CORE_SYMBOLICATION=1 KONAN_HAS_CXX11_EXCEPTION_FUNCTIONS=1
 
+# watchOS x86_64 simulator.
+targetToolchain.macos_x64-watchos_x64 = target-toolchain-xcode_12_0-macos_x64
+dependencies.macos_x64-watchos_x64 = \
+  libffi-3.2.1-3-darwin-macos
+
+target-sysroot-xcode_12_0-watchos_x64.default = \
+  remote:internal
+
+arch.watchos_x64 = x86_64
+targetSysRoot.watchos_x64 = target-sysroot-xcode_12_0-watchos_x86
+targetCpu.watchos_x64 = core2
+clangFlags.watchos_x64 = -cc1 -emit-obj -disable-llvm-passes -x ir -target-cpu $targetCpu.watchos_x64
+clangNooptFlags.watchos_x64 = -O1
+clangOptFlags.watchos_x64 = -O3
+clangDebugFlags.watchos_x64 = -O0
+clangDynamicFlags.watchos_x64 =
+
+linkerKonanFlags.watchos_x64 = -lSystem -lc++ -lobjc -framework Foundation -sdk_version 7.0
+linkerOptimizationFlags.watchos_x64 = -dead_strip
+linkerNoDebugFlags.watchos_x64 = -S
+linkerDynamicFlags.watchos_x64 = -dylib
+osVersionMinFlagLd.watchos_x64 = -watchos_simulator_version_min
+osVersionMinFlagClang.watchos_x64 = -mwatchos-simulator-version-min
+osVersionMin.watchos_x64 = 7.0
+runtimeDefinitions.watchos_x64 = KONAN_OBJC_INTEROP=1 KONAN_WATCHOS=1 \
+  KONAN_X64=1 KONAN_CORE_SYMBOLICATION=1 KONAN_HAS_CXX11_EXCEPTION_FUNCTIONS=1
+
 # Linux x86-64.
 llvmHome.linux_x64 = $llvm.linux_x64.dev
 libffiDir.linux_x64 = libffi-3.2.1-2-linux-x86-64

kotlin-native/platformLibs/src/platform/watchos/set_depends.sh

@@ -2,8 +2,7 @@
 ../../../../dist/bin/run_konan defFileDependencies \
   -target watchos_arm32 \
   -target watchos_x86 \
+  -target watchos_arm64 \
+  -target watchos_x64 \
   *.def
 
-#TODO: Reenable targets
-#  -target watchos_arm64 \
-#  -target watchos_x64 \

kotlin-native/shared/src/main/kotlin/org/jetbrains/kotlin/konan/target/ClangArgs.kt

@@ -104,7 +104,8 @@ class ClangArgs(private val configurables: Configurables) : Configurables by con
                 KonanTarget.WATCHOS_X86 ->
                     listOf("-stdlib=libc++", "-arch", "i386", "-isysroot", absoluteTargetSysRoot, "-mwatchos-simulator-version-min=$osVersionMin")
 
-                KonanTarget.WATCHOS_X64 -> TODO("implement me")
+                KonanTarget.WATCHOS_X64 ->
+                    listOf("-stdlib=libc++", "-isysroot", absoluteTargetSysRoot, "-mwatchos-simulator-version-min=$osVersionMin")
 
                 KonanTarget.ANDROID_ARM32, KonanTarget.ANDROID_ARM64,
                 KonanTarget.ANDROID_X86, KonanTarget.ANDROID_X64 -> {

kotlin-native/shared/src/main/kotlin/org/jetbrains/kotlin/konan/target/Platform.kt

@@ -34,7 +34,7 @@ class PlatformManager(private val distribution: Distribution, experimental: Bool
 
     constructor(konanHome: String, experimental: Boolean = false): this(Distribution(konanHome), experimental)
 
-    private val loaders = filteredOutEnabledButNotSupported.map {
+    private val loaders = enabled.map {
         it to loadConfigurables(it, distribution.properties, DependencyProcessor.defaultDependenciesRoot.absolutePath)
     }.toMap()
 
@@ -46,11 +46,5 @@ class PlatformManager(private val distribution: Distribution, experimental: Bool
     val hostPlatform = platforms.getValue(host)
 
     fun loader(target: KonanTarget) = loaders.getValue(target)
-
-    /**
-     * TODO: Don't forget to delete this field and replace all its usages to `enabled`.
-     */
-    val filteredOutEnabledButNotSupported
-        get() = enabled.filterNot { it == KonanTarget.WATCHOS_X64 }
 }
 

kotlin-native/tools/kotlin-native-gradle-plugin/src/test/groovy/org/jetbrains/kotlin/gradle/plugin/test/PathSpecification.groovy

@@ -32,7 +32,7 @@ class PathSpecification extends BaseKonanSpecification {
         expect:
         def project = KonanProject.createEmpty(
                 projectDirectory,
-                platformManager.filteredOutEnabledButNotSupported.collect { t -> t.visibleName }
+                platformManager.enabled.collect { t -> t.visibleName }
         ) { KonanProject it ->
             it.generateSrcFile("main.kt")
             it.generateDefFile("interop.def", "")